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root/Development/ray/src/util/rcollate.c
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Comparing ray/src/util/rcollate.c (file contents):
Revision 2.19 by greg, Thu Sep 18 00:12:42 2014 UTC vs.
Revision 2.21 by greg, Tue Jun 16 20:35:56 2015 UTC

# Line 57 | Line 57 | free_load(MEMLOAD *mp)
57          mp->len = 0;
58   }
59  
60 + /* load memory from an input stream, starting from current position */
61 + static int
62 + load_stream(MEMLOAD *mp, FILE *fp)
63 + {
64 +        size_t  alloced = 0;
65 +        char    buf[8192];
66 +        size_t  nr;
67 +
68 +        if (mp == NULL)
69 +                return(-1);
70 +        mp->base = NULL;
71 +        mp->len = 0;
72 +        mp->mapped = 0;
73 +        if (fp == NULL)
74 +                return(-1);
75 +        while ((nr = fread(buf, 1, sizeof(buf), fp)) > 0) {
76 +                if (!alloced)
77 +                        mp->base = malloc(alloced = nr);
78 +                else if (mp->len+nr > alloced)
79 +                        mp->base = realloc(mp->base,
80 +                                alloced = alloced*(2+(nr==sizeof(buf)))/2+nr);
81 +                if (mp->base == NULL)
82 +                        return(-1);
83 +                memcpy((char *)mp->base + mp->len, buf, nr);
84 +                mp->len += nr;
85 +        }
86 +        if (ferror(fp)) {
87 +                free_load(mp);
88 +                return(-1);
89 +        }
90 +        if (alloced > mp->len*5/4)      /* don't waste too much space */
91 +                mp->base = realloc(mp->base, mp->len);
92 +        return(mp->len > 0);
93 + }
94 +
95   /* load a file into memory */
96   static int
97   load_file(MEMLOAD *mp, FILE *fp)
# Line 64 | Line 99 | load_file(MEMLOAD *mp, FILE *fp)
99          int     fd;
100          off_t   skip, flen;
101  
102 + #ifdef _WIN32                           /* too difficult to fix this */
103 +        return load_stream(mp, fp);
104 + #endif
105          if (mp == NULL)
106                  return(-1);
107          mp->base = NULL;
# Line 97 | Line 135 | load_file(MEMLOAD *mp, FILE *fp)
135                  return(-1);
136          }
137          return(1);
100 – }
101 –
102 – /* load memory from an input stream, starting from current position */
103 – static int
104 – load_stream(MEMLOAD *mp, FILE *fp)
105 – {
106 –        size_t  alloced = 0;
107 –        char    buf[8192];
108 –        size_t  nr;
109 –
110 –        if (mp == NULL)
111 –                return(-1);
112 –        mp->base = NULL;
113 –        mp->len = 0;
114 –        mp->mapped = 0;
115 –        if (fp == NULL)
116 –                return(-1);
117 –        while ((nr = fread(buf, 1, sizeof(buf), fp)) > 0) {
118 –                if (!alloced)
119 –                        mp->base = malloc(nr);
120 –                else if (mp->len+nr > alloced)
121 –                        mp->base = realloc(mp->base,
122 –                                alloced = alloced*(2+(nr==sizeof(buf)))/2+nr);
123 –                if (mp->base == NULL)
124 –                        return(-1);
125 –                memcpy((char *)mp->base + mp->len, buf, nr);
126 –                mp->len += nr;
127 –        }
128 –        if (ferror(fp)) {
129 –                free_load(mp);
130 –                return(-1);
131 –        }
132 –        if (alloced > mp->len*5/4)      /* don't waste too much space */
133 –                mp->base = realloc(mp->base, mp->len);
134 –        return(mp->len > 0);
138   }
139  
140   /* free a record index */

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