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| Rev | Author | Line No. | Line |
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| 10 | reyssat | 1 | /* Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis |
| 2 | * |
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| 3 | * This program is free software; you can redistribute it and/or modify |
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| 4 | * it under the terms of the GNU General Public License as published by |
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| 5 | * the Free Software Foundation; either version 2 of the License, or |
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| 6 | * (at your option) any later version. |
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| 7 | * |
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| 8 | * This program is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | * GNU General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU General Public License |
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| 14 | * along with this program; if not, write to the Free Software |
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| 15 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 16 | */ |
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| 17 | /* line input / output / translation routines |
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| 18 | * and error routines */ |
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| 19 | |||
| 20 | #include <stdarg.h> |
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| 21 | |||
| 22 | /* these are patches for rawmath.c */ |
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| 23 | char *getvar(char *p) {return NULL;} |
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| 24 | void setvar(char *p, char *v) {return;} |
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| 25 | |||
| 26 | void error(char *p) |
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| 27 | { |
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| 28 | fprintf(stderr,"%s\n",p); |
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| 29 | } |
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| 30 | |||
| 31 | void bailout(int i1, int i2, char *msg) |
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| 32 | { |
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| 33 | if(*msg) error(msg); |
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| 34 | printf("%d %d",i1,i2); exit(0); |
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| 35 | } |
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| 36 | |||
| 37 | /* find html tag end */ |
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| 38 | char *find_tag_end(char *p) |
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| 39 | { |
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| 40 | char *pp; |
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| 41 | |||
| 42 | p++; if(*p=='!') { |
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| 43 | if(*(p+1)=='-' && *(p+2)=='-') { |
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| 44 | pp=strstr(p,"-->"); if(pp==NULL) return p+strlen(p); |
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| 45 | else return p+2; |
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| 46 | } |
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| 47 | } |
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| 48 | /* else */ { |
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| 49 | pp=strchr(p,'>'); if(pp==NULL) return p+strlen(p); |
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| 50 | else return pp; |
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| 51 | } |
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| 52 | /* Now the following is not executed. */ |
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| 53 | /* for(pp=p;*pp;pp++) { |
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| 54 | switch(*pp) { |
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| 55 | case '>': return pp; |
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| 56 | case '"': { |
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| 57 | pp=strchr(++pp,'"'); if(pp==NULL) return p+strlen(p); |
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| 58 | break; |
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| 59 | } |
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| 60 | default: break; |
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| 61 | } |
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| 62 | } |
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| 63 | return pp; |
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| 64 | */ |
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| 65 | } |
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| 66 | |||
| 67 | /* Points to the end of a name */ |
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| 68 | char *find_name_end(char *p) |
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| 69 | { |
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| 70 | int i; |
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| 71 | for(i=0;isalnum(*p) && i<MAX_LINELEN; p++,i++); |
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| 72 | return p; |
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| 73 | } |
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| 74 | |||
| 75 | /* Find the beginning of a name */ |
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| 76 | char *find_name_start(char *p) |
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| 77 | { |
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| 78 | int i; |
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| 79 | for(i=0; !isalpha(*p) && i<MAX_LINELEN; p++,i++); |
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| 80 | return p; |
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| 81 | } |
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| 82 | |||
| 83 | void collapse_item(char *p, int n) |
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| 84 | { |
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| 85 | int i; |
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| 86 | char *pp; |
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| 87 | if(n<1) return; |
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| 88 | for(i=1,pp=strchr(p,','); i<n && pp!=NULL; i++,pp=strchr(pp+1,',')); |
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| 89 | if(pp==NULL) *p=0; |
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| 3718 | reyssat | 90 | else ovlstrcpy(p,pp+1); |
| 10 | reyssat | 91 | } |
| 92 | |||
| 93 | /* modify a string. Bufferlen must be ast least MAX_LINELEN */ |
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| 94 | void string_modify2(char *start, char *bad_beg, char *bad_end, char *good,...) |
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| 95 | { |
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| 96 | char buf[MAX_LINELEN+1]; |
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| 97 | va_list vp; |
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| 98 | |||
| 99 | va_start(vp,good); |
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| 100 | vsnprintf(buf,sizeof(buf),good,vp); va_end(vp); |
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| 101 | if(strlen(start)-(bad_end-bad_beg)+strlen(buf)>=MAX_LINELEN) |
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| 102 | bailout(inlen,0,"string too long"); |
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| 103 | strcat(buf,bad_end); |
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| 3718 | reyssat | 104 | ovlstrcpy(bad_beg,buf); |
| 10 | reyssat | 105 | } |
| 106 | |||
| 107 | /* strcmp() to be used within qsort(). */ |
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| 108 | int _scmp(const void *p1, const void *p2) |
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| 109 | { |
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| 110 | const char **s1,**s2; |
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| 111 | |||
| 112 | s1=(const char **) p1; s2=(const char **) p2; |
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| 113 | return strcmp(*s1,*s2); |
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| 114 | } |
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| 115 | |||
| 116 | char *substit(char *p) |
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| 117 | { |
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| 118 | char *pp; |
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| 119 | while((pp=strchr(p,'$'))!=NULL) *pp=' '; |
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| 120 | return p; |
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| 121 | } |
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| 122 |