diff options
| author | Dave Reisner <d@falconindy.com> | 2011-03-18 03:56:17 +0100 |
|---|---|---|
| committer | Dan McGee <dan@archlinux.org> | 2011-03-23 09:43:53 +0100 |
| commit | 768451c5e3a9e8458ed646f965a9f091de6a4512 (patch) | |
| tree | f82ae2116f280626b8d21ed680c34b4678af13e5 | |
| parent | db49c4a7f0145bd25ca570f23875065041d13aa4 (diff) | |
| download | pacman-768451c5e3a9e8458ed646f965a9f091de6a4512.tar.gz pacman-768451c5e3a9e8458ed646f965a9f091de6a4512.tar.xz | |
lib/dload.c: fix compiler warnings generated by -Wfloat-equal
* introduces new macro in util.h (DOUBLE_EQ) for properly comparing
floating point values
Signed-off-by: Dave Reisner <d@falconindy.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
| -rw-r--r-- | lib/libalpm/dload.c | 7 | ||||
| -rw-r--r-- | lib/libalpm/util.h | 4 |
2 files changed, 8 insertions, 3 deletions
diff --git a/lib/libalpm/dload.c b/lib/libalpm/dload.c index 4347e5db..8be69e8a 100644 --- a/lib/libalpm/dload.c +++ b/lib/libalpm/dload.c @@ -92,7 +92,7 @@ static int curl_progress(void *filename, double dltotal, double dlnow, (void)ultotal; (void)ulnow; - if(dltotal == 0 || prevprogress == dltotal) { + if(DOUBLE_EQ(dltotal, 0) || DOUBLE_EQ(prevprogress, dltotal)) { return 0; } @@ -230,7 +230,7 @@ static int curl_download_internal(const char *url, const char *localpath, /* time condition was met and we didn't download anything. we need to * clean up the 0 byte .part file that's left behind. */ - if(bytes_dl == 0 && timecond == 1) { + if(DOUBLE_EQ(bytes_dl, 0) && timecond == 1) { ret = 1; unlink(tempfile); goto cleanup; @@ -249,7 +249,8 @@ static int curl_download_internal(const char *url, const char *localpath, /* remote_size isn't necessarily the full size of the file, just what the * server reported as remaining to download. compare it to what curl reported * as actually being transferred during curl_easy_perform() */ - if((remote_size != -1 && bytes_dl != -1) && bytes_dl != remote_size) { + if(!DOUBLE_EQ(remote_size, -1) && !DOUBLE_EQ(bytes_dl, -1) && + !DOUBLE_EQ(bytes_dl, remote_size)) { pm_errno = PM_ERR_RETRIEVE; _alpm_log(PM_LOG_ERROR, _("%s appears to be truncated: %jd/%jd bytes\n"), filename, (intmax_t)bytes_dl, (intmax_t)remote_size); diff --git a/lib/libalpm/util.h b/lib/libalpm/util.h index 9f0344fe..1816e360 100644 --- a/lib/libalpm/util.h +++ b/lib/libalpm/util.h @@ -36,6 +36,8 @@ #include <time.h> #include <sys/stat.h> /* struct stat */ #include <archive.h> /* struct archive */ +#include <math.h> /* fabs */ +#include <float.h> /* DBL_EPSILON */ #ifdef ENABLE_NLS #include <libintl.h> /* here so it doesn't need to be included elsewhere */ @@ -61,6 +63,8 @@ _alpm_log(PM_LOG_DEBUG, "returning error %d from %s : %s\n", err, __func__, alpm_strerrorlast()); \ return (ret); } while(0) +#define DOUBLE_EQ(x, y) (fabs((x) - (y)) < DBL_EPSILON) + /** * Used as a buffer/state holder for _alpm_archive_fgets(). */ |