Changeset 46577995 in mainline for uspace/srv/test/chardev-test/main.c


Ignore:
Timestamp:
2018-01-04T20:50:52Z (8 years ago)
Author:
Jiří Zárevúcky <zarevucky.jiri@…>
Children:
e211ea04
Parents:
facacc71
git-author:
Jiří Zárevúcky <zarevucky.jiri@…> (2018-01-04 20:47:53)
git-committer:
Jiří Zárevúcky <zarevucky.jiri@…> (2018-01-04 20:50:52)
Message:

Use errno_t in all uspace and kernel code.

Change type of every variable, parameter and return value that holds an
<errno.h> constant to either errno_t (the usual case), or sys_errno_t
(some places in kernel). This is for the purpose of self-documentation,
as well as for type-checking with a bit of type definition hackery.

After this commit, HelenOS is free of code that mixes error codes with non-error
values on the assumption that error codes are negative.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • uspace/srv/test/chardev-test/main.c

    rfacacc71 r46577995  
    4040#define NAME  "chardev-test"
    4141
    42 static int smallx_open(chardev_srvs_t *, chardev_srv_t *);
    43 static int smallx_close(chardev_srv_t *);
    44 static int smallx_write(chardev_srv_t *, const void *, size_t, size_t *);
    45 static int smallx_read(chardev_srv_t *, void *, size_t, size_t *);
    46 
    47 static int largex_open(chardev_srvs_t *, chardev_srv_t *);
    48 static int largex_close(chardev_srv_t *);
    49 static int largex_write(chardev_srv_t *, const void *, size_t, size_t *);
    50 static int largex_read(chardev_srv_t *, void *, size_t, size_t *);
    51 
    52 static int partialx_open(chardev_srvs_t *, chardev_srv_t *);
    53 static int partialx_close(chardev_srv_t *);
    54 static int partialx_write(chardev_srv_t *, const void *, size_t, size_t *);
    55 static int partialx_read(chardev_srv_t *, void *, size_t, size_t *);
     42static errno_t smallx_open(chardev_srvs_t *, chardev_srv_t *);
     43static errno_t smallx_close(chardev_srv_t *);
     44static errno_t smallx_write(chardev_srv_t *, const void *, size_t, size_t *);
     45static errno_t smallx_read(chardev_srv_t *, void *, size_t, size_t *);
     46
     47static errno_t largex_open(chardev_srvs_t *, chardev_srv_t *);
     48static errno_t largex_close(chardev_srv_t *);
     49static errno_t largex_write(chardev_srv_t *, const void *, size_t, size_t *);
     50static errno_t largex_read(chardev_srv_t *, void *, size_t, size_t *);
     51
     52static errno_t partialx_open(chardev_srvs_t *, chardev_srv_t *);
     53static errno_t partialx_close(chardev_srv_t *);
     54static errno_t partialx_write(chardev_srv_t *, const void *, size_t, size_t *);
     55static errno_t partialx_read(chardev_srv_t *, void *, size_t, size_t *);
    5656
    5757static service_id_t smallx_svc_id;
     
    107107int main(int argc, char *argv[])
    108108{
    109         int rc;
     109        errno_t rc;
    110110
    111111        printf("%s: Character device test service\n", NAME);
     
    157157}
    158158
    159 static int smallx_open(chardev_srvs_t *srvs, chardev_srv_t *srv)
    160 {
    161         return EOK;
    162 }
    163 
    164 static int smallx_close(chardev_srv_t *srv)
    165 {
    166         return EOK;
    167 }
    168 
    169 static int smallx_write(chardev_srv_t *srv, const void *data, size_t size,
     159static errno_t smallx_open(chardev_srvs_t *srvs, chardev_srv_t *srv)
     160{
     161        return EOK;
     162}
     163
     164static errno_t smallx_close(chardev_srv_t *srv)
     165{
     166        return EOK;
     167}
     168
     169static errno_t smallx_write(chardev_srv_t *srv, const void *data, size_t size,
    170170    size_t *nwritten)
    171171{
     
    179179}
    180180
    181 static int smallx_read(chardev_srv_t *srv, void *buf, size_t size,
     181static errno_t smallx_read(chardev_srv_t *srv, void *buf, size_t size,
    182182    size_t *nread)
    183183{
     
    192192}
    193193
    194 static int largex_open(chardev_srvs_t *srvs, chardev_srv_t *srv)
    195 {
    196         return EOK;
    197 }
    198 
    199 static int largex_close(chardev_srv_t *srv)
    200 {
    201         return EOK;
    202 }
    203 
    204 static int largex_write(chardev_srv_t *srv, const void *data, size_t size,
     194static errno_t largex_open(chardev_srvs_t *srvs, chardev_srv_t *srv)
     195{
     196        return EOK;
     197}
     198
     199static errno_t largex_close(chardev_srv_t *srv)
     200{
     201        return EOK;
     202}
     203
     204static errno_t largex_write(chardev_srv_t *srv, const void *data, size_t size,
    205205    size_t *nwritten)
    206206{
     
    214214}
    215215
    216 static int largex_read(chardev_srv_t *srv, void *buf, size_t size,
     216static errno_t largex_read(chardev_srv_t *srv, void *buf, size_t size,
    217217    size_t *nread)
    218218{
     
    227227}
    228228
    229 static int partialx_open(chardev_srvs_t *srvs, chardev_srv_t *srv)
    230 {
    231         return EOK;
    232 }
    233 
    234 static int partialx_close(chardev_srv_t *srv)
    235 {
    236         return EOK;
    237 }
    238 
    239 static int partialx_write(chardev_srv_t *srv, const void *data, size_t size,
     229static errno_t partialx_open(chardev_srvs_t *srvs, chardev_srv_t *srv)
     230{
     231        return EOK;
     232}
     233
     234static errno_t partialx_close(chardev_srv_t *srv)
     235{
     236        return EOK;
     237}
     238
     239static errno_t partialx_write(chardev_srv_t *srv, const void *data, size_t size,
    240240    size_t *nwritten)
    241241{
     
    249249}
    250250
    251 static int partialx_read(chardev_srv_t *srv, void *buf, size_t size,
     251static errno_t partialx_read(chardev_srv_t *srv, void *buf, size_t size,
    252252    size_t *nread)
    253253{
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