X-Git-Url: http://the.earth.li/gitweb/?a=blobdiff_plain;f=charfuncs.c;h=8448aee1be579956a71b2480850fb534685b15d1;hb=0211c730256c9bbaf10a569c88f7df0ef882311e;hp=778df1ca477732fac168895fc3094e45af329ae4;hpb=99c35bb21639a4d9e4d3da7434960525d2113ac2;p=onak.git diff --git a/charfuncs.c b/charfuncs.c index 778df1c..8448aee 100644 --- a/charfuncs.c +++ b/charfuncs.c @@ -20,16 +20,20 @@ * @count: The number of characters to get from the buffer. * @c: Where to put the characters retrieved. */ -int buffer_fetchchar(void *ctx, size_t count, unsigned char *c) +int buffer_fetchchar(void *ctx, size_t count, void *c) { struct buffer_ctx *buf = NULL; buf = (struct buffer_ctx *) ctx; + + if (buf->offset + count > buf->size) { + return 1; + } memcpy(c, &buf->buffer[buf->offset], count); buf->offset += count; - return (((buf->offset) == (buf->size)) ? 1 : 0); + return 0; } /** @@ -42,7 +46,7 @@ int buffer_fetchchar(void *ctx, size_t count, unsigned char *c) * fill it then we double the size of the current buffer and then add the * rest. */ -int buffer_putchar(void *ctx, size_t count, unsigned char *c) +int buffer_putchar(void *ctx, size_t count, void *c) { struct buffer_ctx *buf = NULL; size_t newsize = 0; @@ -66,7 +70,7 @@ int buffer_putchar(void *ctx, size_t count, unsigned char *c) /** * file_fetchchar - Fetches a char from a file. */ -int file_fetchchar(void *fd, size_t count, unsigned char *c) +int file_fetchchar(void *fd, size_t count, void *c) { return !(read( *(int *) fd, c, count)); } @@ -74,7 +78,7 @@ int file_fetchchar(void *fd, size_t count, unsigned char *c) /** * file_putchar - Puts a char to a file. */ -int file_putchar(void *fd, size_t count, unsigned char *c) +int file_putchar(void *fd, size_t count, void *c) { return !(write( *(int *) fd, c, count)); } @@ -82,7 +86,7 @@ int file_putchar(void *fd, size_t count, unsigned char *c) /** * stdin_getchar - Gets a char from stdin. */ -int stdin_getchar(void *ctx, size_t count, unsigned char *c) +int stdin_getchar(void *ctx, size_t count, void *c) { return (fread(c, 1, count, stdin) != count); } @@ -90,7 +94,7 @@ int stdin_getchar(void *ctx, size_t count, unsigned char *c) /** * stdout_putchar - Puts a char to stdout. */ -int stdout_putchar(void *ctx, size_t count, unsigned char *c) +int stdout_putchar(void *ctx, size_t count, void *c) { return (fwrite(c, 1, count, stdout) != count); }