1 #include <u.h> 2 #include <libc.h> 3 #include <bio.h> 4 #include <String.h> 5 #include <ctype.h> 6 #include <thread.h> 7 #include "wiki.h" 8 9 void* 10 erealloc(void *v, ulong n) 11 { 12 v = realloc(v, n); 13 if(v == nil) 14 sysfatal("out of memory reallocating %lud", n); 15 setmalloctag(v, getcallerpc(&v)); 16 return v; 17 } 18 19 void* 20 emalloc(ulong n) 21 { 22 void *v; 23 24 v = malloc(n); 25 if(v == nil) 26 sysfatal("out of memory allocating %lud", n); 27 memset(v, 0, n); 28 setmalloctag(v, getcallerpc(&n)); 29 return v; 30 } 31 32 char* 33 estrdup(char *s) 34 { 35 int l; 36 char *t; 37 38 if (s == nil) 39 return nil; 40 l = strlen(s)+1; 41 t = emalloc(l); 42 memmove(t, s, l); 43 setmalloctag(t, getcallerpc(&s)); 44 return t; 45 } 46 47 char* 48 estrdupn(char *s, int n) 49 { 50 int l; 51 char *t; 52 53 l = strlen(s); 54 if(l > n) 55 l = n; 56 t = emalloc(l+1); 57 memmove(t, s, l); 58 t[l] = '\0'; 59 setmalloctag(t, getcallerpc(&s)); 60 return t; 61 } 62 63 char* 64 strlower(char *s) 65 { 66 char *p; 67 68 for(p=s; *p; p++) 69 if('A' <= *p && *p <= 'Z') 70 *p += 'a'-'A'; 71 return s; 72 } 73 74 String* 75 s_appendsub(String *s, char *p, int n, Sub *sub, int nsub) 76 { 77 int i, m; 78 char *q, *r, *ep; 79 80 ep = p+n; 81 while(p<ep){ 82 q = ep; 83 m = -1; 84 for(i=0; i<nsub; i++){ 85 if(sub[i].sub && (r = strstr(p, sub[i].match)) && r < q){ 86 q = r; 87 m = i; 88 } 89 } 90 s = s_nappend(s, p, q-p); 91 p = q; 92 if(m >= 0){ 93 s = s_append(s, sub[m].sub); 94 p += strlen(sub[m].match); 95 } 96 } 97 return s; 98 } 99 100 String* 101 s_appendlist(String *s, ...) 102 { 103 char *x; 104 va_list arg; 105 106 va_start(arg, s); 107 while(x = va_arg(arg, char*)) 108 s = s_append(s, x); 109 va_end(arg); 110 return s; 111 } 112 113 int 114 opentemp(char *template) 115 { 116 int fd, i; 117 char *p; 118 119 p = estrdup(template); 120 fd = -1; 121 for(i=0; i<10; i++){ 122 mktemp(p); 123 if(access(p, 0) < 0 && (fd=create(p, ORDWR|ORCLOSE, 0444)) >= 0) 124 break; 125 strcpy(p, template); 126 } 127 if(fd >= 0) 128 strcpy(template, p); 129 free(p); 130 131 return fd; 132 } 133 134