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Avoid some conversion warnings in gzread.c and gzwrite.c.

This commit is contained in:
Mark Adler 2017-02-11 22:45:27 -08:00
parent e00a2bd392
commit 793ad7f559
2 changed files with 6 additions and 8 deletions
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10
gzread.c
View File

@ -314,9 +314,9 @@ local z_size_t gz_read(state, buf, len)
got = 0;
do {
/* set n to the maximum amount of len that fits in an unsigned int */
n = -1;
n = (unsigned)-1;
if (n > len)
n = len;
n = (unsigned)len;
/* first just try copying data from the output buffer */
if (state->x.have) {
@ -397,7 +397,7 @@ int ZEXPORT gzread(file, buf, len)
}
/* read len or fewer bytes to buf */
len = gz_read(state, buf, len);
len = (unsigned)gz_read(state, buf, len);
/* check for an error */
if (len == 0 && state->err != Z_OK && state->err != Z_BUF_ERROR)
@ -447,7 +447,6 @@ z_size_t ZEXPORT gzfread(buf, size, nitems, file)
int ZEXPORT gzgetc(file)
gzFile file;
{
int ret;
unsigned char buf[1];
gz_statep state;
@ -469,8 +468,7 @@ int ZEXPORT gzgetc(file)
}
/* nothing there -- try gz_read() */
ret = gz_read(state, buf, 1);
return ret < 1 ? -1 : buf[0];
return gz_read(state, buf, 1) < 1 ? -1 : buf[0];
}
int ZEXPORT gzgetc_(file)

4
gzwrite.c
View File

@ -209,7 +209,7 @@ local z_size_t gz_write(state, buf, len)
state->in);
copy = state->size - have;
if (copy > len)
copy = len;
copy = (unsigned)len;
memcpy(state->in + have, buf, copy);
state->strm.avail_in += copy;
state->x.pos += copy;
@ -229,7 +229,7 @@ local z_size_t gz_write(state, buf, len)
do {
unsigned n = (unsigned)-1;
if (n > len)
n = len;
n = (unsigned)len;
state->strm.avail_in = n;
state->x.pos += n;
if (gz_comp(state, Z_NO_FLUSH) == -1)